Exhibit 5.1(a)

INTERNAL REVENUE SERVICE P.O. BOX 2508 CINCINNATI, OH 45201	DEPARTMENT OF THE TREASURY
Date: Jun 17 2013	Employer Identification Number:
	53-0257888
DOVER CORPORATION C/O BAKER & MCKENZIE LLP PIA FLANAGAN 4.52 FIFTH AVE NEW YORK, NY 10018	DLN:     17007042152009 Person to Contact:     CATHERINE BROOKS-ALDRETE             ID# 75813 Contact Telephone Number: (214) 413-5528 Plan Name:     DOVER CORPORATION     RETIREMENT SAVINGS PLAN Plan Number: 030

Dear Applicant:

We have made a favorable determination on the plan identified above based on the information you have supplied. Please keep this letter, the application forms submitted to request this letter and all correspondence with the Internal Revenue Service regarding your application for a determination letter in your permanent records. You must retain this information to preserve your reliance on this letter.

Continued qualification of the plan under its present form will depend on its effect in operation. See section 1.401-1(b)(3) of the Income Tax Regulations. We will review the status of the plan in operation periodically.

The enclosed Publication 794 explains the significance and the scope of this favorable determination letter based on the determination requests selected on your application forms. Publication 794 describes the information that must be retained to have reliance on this favorable determination letter. The publication also provides examples of the effect of a plan’s operation on its qualified status and discusses the reporting requirements for qualified plans. Please read Publication 794.

This letter relates only to the status of your plan under the Internal Revenue Code. It is not a determination regarding the effect of other federal; or local statutes.

This determination letter gives no reliance for any qualification change that becomes effective, any guidance published, or any statutes enacted, after the issuance of the Cumulative List (unless the item has been identified in the Cumulative List) for the cycle under which this application was submitted.

This letter may not be relied on after the end of the plan’s first five-year remedial amendment cycle that ends more than 12 months after the application was received. This letter expires on January 31, 2014. This letter considered the 2007 Cumulative List of Changes in Plan Qualification Requirements.

This determination letter is applicable for the amendment(s) executed on 12/17/09 & 12/29/08.

Letter 2002 (DO/CG)

DOVER CORPORATION

This determination is subject to your adoption of the proposed amendments submitted in your letter dated 5/28/13 & 5/8/13. The proposed amendments should be adopted on or before the date prescribed by the regulations under Code section 40l(b).

This determination is conditioned upon your adoption of the proposed restated plan as submitted with your or your representative’s letter dated 2/2/09. The proposed plan should be adopted on or before the date prescribed by the regulations under Code section 40l(b).

This plan satisfies the requirements of Code section 4975(e)(7).

The information on the enclosed addendum is an integral part of this determination. Please be sure to read and keep it with this letter.

We have sent a copy of this letter to your representative as indicated in the Form 2848 Power of Attorney or appointee as indicated by the Form 8821 Tax Information Authorization.

If you have questions concerning this matter, please contact the person whose name and telephone number are shown above.

Sincerely,

/s/ Andrew E. Zuckerman

Andrew E. Zuckerman

Director, EP Rulings & Agreements

Enclosures:

Publication 794

Addendum

Letter 2002 (DO/CG)

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DOVER CORPORATION

This determination letter is also applicable for the Trust amendment dated 6/22/05.

This determination is subject to your adoption of the proposed Trust amendments submitted in your letter dated 5/8/13. The proposed amendments should be adopted on or before the date prescribed by the regulations under Code section 40l(b).

This determination letter is also applicable for the Plan amendments adopted on 12/31/07, 12/31/06, 12/27/05, 5/31/05, 12/21/04, 9/30/04 and 8/30/04.

This determination letter does not provide reliance for any portion(s) of the document that incorporates the terms of an auxiliary agreement (collective bargaining, reciprocity and/or participation agreement), unless the exact language of the section(s) that is being incorporated by reference to the auxiliary agreement has been appended to the document.

Letter 2002 (DO/CG)

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